Gregory Muller, PH.D.
NPI 1962132902 · Clinical Psychologist · Austin, TX
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Muller, PH.D. is a Clinical Psychologist provider in Austin, TX (NPI 1962132902).
Provider details
- NPI number
- 1962132902
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 39544 (TX)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-06-13
- Last updated
- 2023-01-20
- Certified
- 2023-01-20
Frequently asked questions
- What is Gregory Muller's NPI number?
- Gregory Muller's National Provider Identifier (NPI) is 1962132902, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Muller's specialty?
- Gregory Muller is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Gregory Muller located?
- Gregory Muller's practice location on file with NPPES is 1601 Trinity St, Building B, Stop Z0600, Austin, TX 78712-1765.
- What is Gregory Muller's phone number?
- The practice phone number listed in the NPPES registry for Gregory Muller is (833) 882-2737.
- Does Gregory Muller accept Medicare?
- Gregory Muller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Muller's NPI active?
- Yes — Gregory Muller's NPI (1962132902) is active in the NPPES registry as of the last update on 2023-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.